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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $270.00 Put

TSM270319P00270000

Latest saved OI1,614Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $270.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,6148070 2026-10-02: 1,605 OI2026-10-05: 1,607 OI2026-10-06: 1,607 OI2026-10-07: 1,607 OI2026-10-08: 1,607 OI2026-10-09: 1,606 OI2026-10-14: 1,606 OI2026-10-15: 1,612 OI2026-10-16: 1,612 OI2026-10-21: 1,614 OI2026-10-23: 1,614 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,6140
Oct 21, 20261,614+2
Oct 16, 20261,6120
Oct 15, 20261,612+6
Oct 14, 20261,6060
Oct 09, 20261,606-1
Oct 08, 20261,6070
Oct 07, 20261,6070
Oct 06, 20261,6070
Oct 05, 20261,607+2
Oct 02, 20261,605No prior observation